feat: klassy with window indicator

kde-rounded-corners is unresponsive sometimes

hosts/default/home/kde.nix

@@ -6,8 +6,9 @@
     kdePackages.kclock
     kdePackages.alligator
     kdePackages.karousel
-    kde-rounded-corners
     notify-desktop
+    klassy
   ];
   home.file.".config/kglobalshortcutsrc".source = ./sources/kglobalshortcutsrc;
+  home.file.".config/kwinrc".source = ./sources/kwinrc;
 }

hosts/default/home/sources/kwinrc

@@ -0,0 +1,52 @@
+[Desktops]
+Id_1=893a4e8b-78c1-4811-8277-832c9b08010c
+Number=1
+Rows=1
+
+[Effect-overview]
+BorderActivate=9
+
+[Plugins]
+blurEnabled=true
+contrastEnabled=true
+karouselEnabled=true
+kwin4_effect_geometry_changeEnabled=true
+kwin4_effect_shapecornersEnabled=false
+logoutEnabled=false
+screenedgeEnabled=false
+translucencyEnabled=true
+windowapertureEnabled=false
+zoomEnabled=false
+
+[Round-Corners]
+ActiveOutlineUseCustom=false
+ActiveOutlineUsePalette=true
+DisableOutlineTile=false
+DisableRoundMaximize=false
+DisableRoundTile=false
+InactiveOutlineThickness=2
+InactiveOutlineUseCustom=false
+InactiveOutlineUsePalette=true
+InactiveSecondOutlineThickness=0
+OutlineThickness=2
+SecondOutlineThickness=0
+
+[Script-karousel]
+gapsOuterBottom=8
+gapsOuterLeft=8
+gapsOuterRight=8
+gapsOuterTop=8
+gestureScroll=true
+gestureScrollInvert=true
+presetWidths=33%, 50%, 67%, 100%
+
+[Xwayland]
+Scale=1
+
+[org.kde.kdecoration2]
+BorderSize=Tiny
+BorderSizeAuto=false
+ButtonsOnLeft=MFS
+ButtonsOnRight=HAI_X
+library=org.kde.klassy
+theme=Klassy